General description Neilsen 3pc Spot Weld Drill Bits HSS Titanium Coated Cobalt Spot Cutter Set includes three spot weld cutter bits designed for precision and durability. The set features bits in sizes 6.5mm, 8mm, and 10mm, suitable for various applications. Technical specifications Material: High Speed Steel (HSS) with Titanium Coating Sizes: 6.5mm, 8mm, 10mm Length: 45mm Flat Shaft for Sure Grip Usage Designed for cutting spot welds effectively Prevents bit dulling from overheating Special centering nib to avoid slipping during use